366th Infantry Regiment (United States)

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366th Infantry Regiment
Active	November 1917–25 March 1919 10 February 1941–28 March 1945
Country	United States
Branch	United States Army
Type	Infantry
Size	Regiment
Garrison/HQ	Fort Devens, Massachusetts
Motto(s)	"Labor Conquers All Things."
Engagements	World War I, World War II
Battle honours	Meuse-Argonne Offensive, Rome-Arno Campaign

The 366th Infantry Regiment was an all Colored (segregated) unit of the United States Army that served in both World War I and World War II. In the latter war, the unit was exceptional for having all negro officers as well as troops. The U.S. military did not desegregate until after World War II. During the war, for most of the segregated units, all field grade (majors and above) and most of the company grade officers (second lieutenants, first lieutenants, and captains) were white.